Science and Technology. Ping, a pulse of sound in active sonar. Pinging, the noise indicative of improper combustion in internal combustion engines. Ping (Chinese: åª), a Taiwanese measure of area. Ping project, a project of the European Molecular Biology network (EMBnet)
Pre-Market Stock Trading. As its name suggests, pre-market stock trading occurs before the stock market opens up for its regular hours of trading at 9:30 a.m ET. Pre-market stock trading takes place between the hours of 8:00 to 9:30 a.m. ET.
Below is what you want to look for when scanning stocks during the pre-market. 1  Stocks greater than $5 dollars. 2  Before all you penny stock traders begin yelling, I have nothing against you, it is just I have tight stops on my trades and trading a $1 dollar stock does not leave me much room. This step is critical because you can filter out all of the stocks that normally trade thinly and are not good candidates for day trading. 2  Make sure you review the broader value of the futures market for the major indices (Dow, NASDAQ and S&P).